added modules, classloading and view packages to sonia.scm.lifecycle

scm-webapp/src/test/java/sonia/scm/lifecycle/view/SingleViewServletTest.java

@@ -0,0 +1,89 @@
+package sonia.scm.lifecycle.view;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.template.Template;
+import sonia.scm.template.TemplateEngine;
+import sonia.scm.template.TemplateEngineFactory;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+class SingleViewServletTest {
+
+  @Mock
+  private TemplateEngineFactory templateEngineFactory;
+
+  @Mock
+  private TemplateEngine templateEngine;
+
+  @Mock
+  private Template template;
+
+  @Mock
+  private HttpServletRequest request;
+
+  @Mock
+  private HttpServletResponse response;
+
+  @Mock
+  private PrintWriter writer;
+
+  @Mock
+  private ViewController controller;
+
+  @Test
+  void shouldRenderTheTemplateOnGet() throws IOException {
+    prepareTemplate("/template");
+    doReturn(new View(200, "hello")).when(controller).createView(request);
+
+    new SingleViewServlet(templateEngineFactory, controller).doGet(request, response);
+
+    verifyResponse(200, "hello");
+  }
+
+  private void verifyResponse(int sc, Object model) throws IOException {
+    verify(response).setStatus(sc);
+    verify(response).setContentType("text/html");
+    verify(response).setCharacterEncoding("UTF-8");
+
+    verify(template).execute(writer, model);
+  }
+
+  @Test
+  void shouldRenderTheTemplateOnPost() throws IOException {
+    prepareTemplate("/template");
+
+    doReturn(new View(201, "hello")).when(controller).createView(request);
+
+    new SingleViewServlet(templateEngineFactory, controller).doPost(request, response);
+
+    verifyResponse(201, "hello");
+  }
+
+  @Test
+  void shouldThrowIllegalStateExceptionOnIOException() throws IOException {
+    doReturn("/template").when(controller).getTemplate();
+    doReturn(templateEngine).when(templateEngineFactory).getEngineByExtension("/template");
+    doThrow(IOException.class).when(templateEngine).getTemplate("/template");
+
+    assertThrows(IllegalStateException.class, () -> new SingleViewServlet(templateEngineFactory, controller));
+  }
+
+  private void prepareTemplate(String templatePath) throws IOException {
+    doReturn(templateEngine).when(templateEngineFactory).getEngineByExtension(templatePath);
+    doReturn(template).when(templateEngine).getTemplate(templatePath);
+    doReturn(templatePath).when(controller).getTemplate();
+
+    doReturn(writer).when(response).getWriter();
+  }
+
+}